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Text File  |  1992-09-02  |  253b  |  8 lines
  1. In ecology, the position occupied by a
  2. species (or group of species) in a food
  3. chain. The main levels are primary producers
  4. (photosynthetic plants), primary consumers
  5. (herbivores), secondary consumers
  6. (carnivores), and decomposers (bacteria and
  7. fungi).
  8.